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[ARM] Add support for ARMV6K subtarget (LLVM)

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ARMv6K is another layer between ARMV6 and ARMV6T2. This is the LLVM
side of the changes.

ARMV6 family LLVM implementation.

+-------------------------------------+
| ARMV6                               |
+----------------+--------------------+
| ARMV6M (thumb) | ARMV6K (arm,thumb) | <- From ARMV6K and ARMV6M processors
+----------------+--------------------+    have support for hint instructions
| ARMV6T2 (arm,thumb,thumb2)          |    (SEV/WFE/WFI/NOP/YIELD). They can
+-------------------------------------+    be either real or default to NOP.
| ARMV7 (arm,thumb,thumb2)            |    The two processors also use
+-------------------------------------+    different encoding for them.

Patch by Vinicius Tinti.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232468 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Renato Golin
2015-03-17 11:55:28 +00:00
parent a0a7510711
commit ce1f16421f
15 changed files with 149 additions and 19 deletions
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1
include/llvm/ADT/Triple.h
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@@ -93,6 +93,7 @@ public:
ARMSubArch_v7s,
ARMSubArch_v6,
ARMSubArch_v6m,
ARMSubArch_v6k,
ARMSubArch_v6t2,
ARMSubArch_v5,
ARMSubArch_v5te,